[GHC] #10034: Regression in mapM_ performance

[GHC]

#10034: Regression in mapM_ performance
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        Reporter:  dfeuer            |                Owner:  bgamari
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.0.1
       Component:  Core Libraries    |              Version:  7.10.1-rc2
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D632
       Wiki Page:                    |
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Changes (by bgamari):

 * cc: ekmett (added)
 * status:  new => closed
 * resolution:   => invalid


Comment:

 Closing as we don't have an example demonstrating the issue. David, feel
 free to reopen if you do come upon a testcase.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10034#comment:11>
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